5/30/1984

7.05

5/6/1985

6.2

5/30/1979

6.13

5/27/1980

6.03

6/14/1983

5.95

6/3/1993

5.74

5/31/2005

5.58

5/23/2008

5.55

5/24/1995

5.54

5/11/2009

5.16

5/26/1999

4.9

5/21/2001

4.55